ore band

例句：

1. 1. The mine is located in the ore band, which is rich in minerals.
   这个矿井位于矿带，那里矿物丰富。
2. 2. The ore band is a significant source of gold and silver.
   矿带是金和银的重要来源。
3. 3.The ore band was mined for centuries before modern technology made it easier to extract.
   在现代技术出现之前，这个矿带被开采了好几个世纪。